:root {
  --md-primary-fg-color: #be652f;
}

h1 {
  border-bottom: 2px solid grey;
}

h2 {
  border-bottom: 1px solid grey;
}

h3 {
  border-bottom: 1px dotted grey;
}

.md-typeset h4 {
  margin: 2em 0 0.5em 0;
}